- Suitable: Tokyo Marui M4 Series GBB ( MWS )
- Material: Aluminum
- CNC Machined
- Included 90" Piston Cup O-Ring to Prevent Leak Out the Gas
- Suggest Using Below 263mm Inner Barrel
- 134A only
- Weight: 5.00g
This product was added to our catalog on Saturday 19 October, 2019.